michelle obama is speaking tomorrow night. don't go away. the first lady, michelle obama,ing will -- was in the arena a little while ago and did a walk-through of the arena drawing applause and clears from those already inside and acknowledged them with a nice wave and smile. the first lady also got to try out the podium where she'll deliver her big speech to the convention tomorrow night. she's getting a little feel for this room. mitt romney talks about his faith in ways he never has before. at least in the public. our cnn special documentary "romney revealed" coming up, an encore edition right at the bottom of the hour. gloria borger's excellent 90-minuten documentary. later tonight at 8:00 p.m., obama revealed. the president of the united states goes one-on-one with.jessica yellin. her documentary starts premieres at 8:00 p.m. eastern. straight ahead, paul ryan and joe biden are both out there on the campaign trail today. we're going to hear what they're saying as this race for the white house heats up. >> you want to know whether we're